Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2168 and 2172 the smallest integer that is 1177224 that is divisible by both numbers.
Least Common Multiple (LCM) of 2168 and 2172 is 1177224.
LCM(2168,2172) = 1177224
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 2168 and 2172. First we will calculate the prime factors of 2168 and 2172.
Prime Factorization of 2168
2 | 2168 |
2 | 1084 |
2 | 542 |
271 | 271 |
1 |
Prime factors of 2168 are 2,271. Prime factorization of 2168 in exponential form is:
2168 = 23×2711
Prime Factorization of 2172
2 | 2172 |
2 | 1086 |
3 | 543 |
181 | 181 |
1 |
Prime factors of 2172 are 2, 3,181. Prime factorization of 2172 in exponential form is:
2172 = 22×31×1811
Now multiplying the highest exponent prime factors to calculate the LCM of 2168 and 2172.
LCM(2168,2172) = 23×31×1811×2711
LCM(2168,2172) = 1177224
Factors of 2168
List of positive integer factors of 2168 that divides 2168 without a remainder.
1, 2, 4, 8, 271, 542, 1084, 2168
Factors of 2172
List of positive integer factors of 2172 that divides 2172 without a remainder.
1, 2, 3, 4, 6, 12, 181, 362, 543, 724, 1086, 2172
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2168 and 2172, than apply into the LCM equation.
GCF(2168,2172) = 4
LCM(2168,2172) = ( 2168 × 2172) / 4
LCM(2168,2172) = 4708896 / 4
LCM(2168,2172) = 1177224
(i) The LCM of 2172 and 2168 is associative
LCM of 2168 and 2172 = LCM of 2172 and 2168
1. What is the LCM of 2168 and 2172?
Answer: LCM of 2168 and 2172 is 1177224.
2. What are the Factors of 2168?
Answer: Factors of 2168 are 1, 2, 4, 8, 271, 542, 1084, 2168. There are 8 integers that are factors of 2168. The greatest factor of 2168 is 2168.
3. What are the Factors of 2172?
Answer: Factors of 2172 are 1, 2, 3, 4, 6, 12, 181, 362, 543, 724, 1086, 2172. There are 12 integers that are factors of 2172. The greatest factor of 2172 is 2172.
4. How to Find the LCM of 2168 and 2172?
Answer:
Least Common Multiple of 2168 and 2172 = 1177224
Step 1: Find the prime factorization of 2168
2168 = 2 x 2 x 2 x 271
Step 2: Find the prime factorization of 2172
2172 = 2 x 2 x 3 x 181
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1177224 = 2 x 2 x 2 x 3 x 181 x 271
Step 4: Therefore, the least common multiple of 2168 and 2172 is 1177224.